The Mikes XS DynoTune Needle & Jet Kit ( 48-0667 ) is guaranteed to smoothen out the powerband of your XS650 and remove the midrange hesitation and leanness, resulting in a smooth acceleration from idle through redline. These installation instructions are applicable for tuning with various exhaust & intake setups.
Fitment: 1980 – 1984 Yamaha XS650 ( North American Models )
Kit Contents:
(1) 3mm Drill Bit (to modify the slide)
Installation Instructions

You have now installed your DynoTune Needle & Jet Kit.
For tech support, contact us at customerservice@mikesxs.net


